html,body,div{
	/* display: flex;	
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%; */
	margin: 0;
	padding: 0;	
	font-family: "微软雅黑";
	-webkit-user-select: none;
	font-size: 16px;
}

a{
	color: darkred;
}
hr{
	margin: 2em;
}
.t{
	background-color: yellow;
}
.row{
	flex-flow: row;
	justify-content: flex-start;	
}
.l2r{
	flex-flow: row;
	justify-content: flex-start;	
}
.wa{
	width: auto;
}
.col{
	flex-flow: column;
	justify-content: flex-start;
}
.mla{
	margin-left: auto;
}
.mra{
	margin-right: auto;
}
.mta{
	margin-top: auto;
}
.mba{
	margin-bottom: auto;
}
ul{
	list-style: none;
	width: 100%;
}

.jc{
	justify-content: center;
}
img {
	border:none;
}
ol,ul {
	list-style:none;
}
em {
	font-style:normal;
}
a {
	text-decoration:none;
}